That's happened to us before as well. No caller, we do not need the carpet cleaned!
My supervisor had to tell us all to not answer the phone until the caller ran out of numbers.

LTTAM: I can no longer get the Healthy Weight formula of Pearl's dog food locally; if I want to buy it, I'll have to so online. Apparently CoPet decided to not sell it anymore and SmartPet never had it in the first place. [I did speak to the vet and he advised me on how much of the regular food Pearl should get and her weight is staying where it should but still...]